EP2137025A1 - Safety seat having a vertically acting, impact-damping suspension - Google Patents

Safety seat having a vertically acting, impact-damping suspension

Info

Publication number
EP2137025A1
EP2137025A1 EP08748950A EP08748950A EP2137025A1 EP 2137025 A1 EP2137025 A1 EP 2137025A1 EP 08748950 A EP08748950 A EP 08748950A EP 08748950 A EP08748950 A EP 08748950A EP 2137025 A1 EP2137025 A1 EP 2137025A1
Authority
EP
European Patent Office
Prior art keywords
seat part
belt
supports
fixed
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08748950A
Other languages
German (de)
French (fr)
Inventor
Holger Hansen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autoflug GmbH
Original Assignee
Autoflug GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Autoflug GmbH filed Critical Autoflug GmbH
Publication of EP2137025A1 publication Critical patent/EP2137025A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D25/00—Emergency apparatus or devices, not otherwise provided for
    • B64D25/02—Supports or holding means for living bodies
    • B64D25/04—Seat modifications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3038—Cushion movements
    • B60N2/304—Cushion movements by rotation only
    • B60N2/3045—Cushion movements by rotation only about transversal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4242—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/50—Seat suspension devices
    • B60N2/54—Seat suspension devices using mechanical springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0619—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with energy absorbing means specially adapted for mitigating impact loads for passenger seats, e.g. at a crash
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/062—Belts or other passenger restraint means for passenger seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D25/00—Emergency apparatus or devices, not otherwise provided for
    • B64D25/02—Supports or holding means for living bodies
    • B64D25/06—Harnessing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B29/00—Accommodation for crew or passengers not otherwise provided for
    • B63B29/02—Cabins or other living spaces; Construction or arrangement thereof
    • B63B29/04—Furniture peculiar to vessels
    • B63B2029/043—Seats; Arrangements thereof on vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B29/00—Accommodation for crew or passengers not otherwise provided for
    • B63B29/02—Cabins or other living spaces; Construction or arrangement thereof
    • B63B29/04—Furniture peculiar to vessels

Definitions

  • the invention relates to a safety seat for land, air and sea vehicles with a seat part, which is fixed to two in the region of the rear seat edge edge extending, vertical and vehicle-mounted tethers.
  • a safety seat with the aforementioned features is known from DE 10 2004 062 350 B3.
  • the seat part designed as a pressure-resistant component is fastened to retaining straps spanned vertically between the vehicle roof and the vehicle floor by fixing the seat part to the vertical retaining straps by means of additionally arranged lateral straps connected to the vertical straps and with these a belt frame for supporting the seat part is.
  • the lateral straps consist of one of a lower fixed attachment point along the side edges of the seat portion extending to the front corner points Gurtabroughen, wherein each of the front corner points of the seat portion extending obliquely to the vertical axis of the vehicle seat belt portion to an upper stationary attachment point on the associated vertical tether is returned.
  • the trained as a pressure-resistant component seat part is so in the off used vertical straps and straps formed Gurtgerüst that the seat part spans the belt frame automatically. It is additionally provided according to an embodiment in that the seat part in the belt frame is folded up, wherein the folding up takes place by lifting the rear end of the seat part by means of a separate operating cable.
  • the disadvantage associated with the known safety seat is that the lateral straps laterally enclose a passenger seated on the safety seat, so that the occupant only rises forward when standing up and can only sit on the seat from a position in front of the seat ,
  • a plurality of seats are arranged side by side in a direction aligned in the direction of travel of the vehicle row, the occupants especially when disembarking laterally slide over the juxtaposed seats and leave the vehicle from the last seat of the series.
  • the invention is therefore based on the object to improve a safety seat with the features mentioned so that in a given still holding the seat part to a belt frame laterally of the seat part no movement of the occupant obstructing fittings are present.
  • each tether belt is designed as a belt loop spanned between a vertically spaced vehicle-fixed anchorage and a front belt facing the seat part and a rear belt extending at a distance therefrom, and the seat part is provided with one in the region the rear seat edge edge extending cross-bracing in the space between the front and rear belt ranges, which is fixed in each case attached to the rear belt fixed fixed loop and the seat part on the other hand rotatably connected with its side struts and in an oblique course to below the seat part to the respective belt loop extending supports is supported against the tensioned belt loop, wherein the supports extend with a mounted at their lower ends cross bracing in the space between the front and rear belt, each supported in a mounted on the rear strap, a vertical movement of the cross brace enabling loose loop.
  • the invention has the advantage that no between the vehicle roof and the vehicle floor continuously clamped tethers are more necessary, but that the designed with a shorter length tethers can be attached to particular the side structure of a vehicle and from only slightly above the seat the seat part to be mounted bracket extend below the seat part to a mounted in the vicinity of the vehicle floor bracket.
  • the vehicle seat is supported on the one hand in the rear region of the seat part and on the other hand at the end of the seat supporting columns each formed cross braces at four points against the tethers arranged on both sides, a correspondingly high stability of the seat attachment is ensured.
  • the stationary fixed loop for fixing the formed on the seat part crossbar the pivot bearing for a folding movement of the seat part by raising the front edge, and this folding movement is made possible by the fact that on the one hand the supports are rotatably connected to the seat part and on the other hand, the lower loops loops for support the supports are designed so that a vertical movement of the held in these loops cross brace of the supports is possible.
  • the type of fixing the seat part according to the invention on a belt frame spanned on the vehicle advantageously ensures that impacts in the vertical direction, that is to say in the "Z" direction of a vehicle, are transmitted via the holding straps or the belt slings into the supports, for example due to mine loads
  • the supports When the vehicle seat is loaded by a person sitting on it, the supports in turn are supported in the lower fixed loop on the retaining straps designed as belt loops, thus creating a compressive force on the retaining straps or belt slings in this area
  • a tensile force is exerted on the front belt and an increase in the vertical forces acting on the seat part 17 therefore results in only a very small vertical change in position of the seat part from, however, due to the inclination of the front straps and the rear straps of the two seat belt slings carrying in a significant deflection of front and rear straps in the horizontal direction.
  • the safety seat has a low volume and at the same time low weight and is very flat in the raised position of the seat part. At the same time, the safety seat is characterized by a high degree of rigidity and a good load capacity in all load directions, and the safety seat can be easily retrofitted in existing vehicles.
  • the seat part on a frame with a front cross member, the rear cross member and these connecting side struts can be provided that the rear cross brace is formed as a continuous cross member or alternatively as set at the ends of the side struts short and reaching into the fixed fixed loops strut stub.
  • this support-side cross brace is formed as a continuous and the two supports interconnecting cross strut or as scheduled at the ends of the supports short and reaching into the loops strut stub.
  • the frame of the seat part and the supports including their cross brace made of a light metal tube with a suitable profiling.
  • FIG. 1 is a partial interior view of a vehicle with a seat part which is fixed to tethered on the side structure of the vehicle tethers, 2 shows the safety seat according to FIG. 1 in its position of use in a schematic side view, FIG.
  • Fig. 3 shows the safety seat according to Figure 2 when loaded by a person sitting thereon.
  • a vehicle shown only schematically in a partial section has a vehicle floor 10 and a side wall 1 1 on which a wheel arch 12 with a surface 13 and a side structure 14 is formed.
  • On the side structure 14 two parallel vertical tethers 15 are clamped to corresponding vehicle-mounted anchors 16 on which a seat portion 17 is fixed in a manner to be described.
  • the seat part 17 consists of a frame surrounding the seat frame with a front cross member 18, two side struts 19 and a rear cross member 20. Further go from the bottom of the side struts 19 posts 21, which in an oblique course down to the tethers 15 out extend and are supported on the retaining straps 15.
  • the tethers 15 are formed as belt loops 22 guided through the vehicle-side anchors 16, with a front belt 23 facing the seat part 17 and a rear belt 24.
  • FIG each belt loop 22 each a tensioning device 25 is turned on.
  • the seat part 17 extends with its rear cross member 20 in the given between the front and rear strap 23 belt 24 of the belt loop 22 and is held here by a fixedly attached to the rear strap 24 closed fixed loop 27.
  • the supports 21 are rotatably mounted on the side struts 19 of the seat part 17 by means of correspondingly provided pivot joints 26 and are at their lower free end over a continuous cross member 29 connected together.
  • the rear cross member 20 of the seat part 17 and the lower cross member 29 of the supports 21 is disposed in the space between the front belt 23 and rear strap 24 and supported here in a lower slip loop 28, which is also secured to the rear strap 24 and formed in that a vertical movement of the transverse strut 29 in the loose loop 28 is possible.
  • the seat part can be brought by folding into a space-saving position, wherein the seat part 17 rotates about acting as a pivot bearing upper fixed loop 27, while the supports 21 of the vertical movement of their attached to the seat part 17 pivots 26 by displacement in the lower loop 29 can follow.

Abstract

The invention relates to a safety seat for land, air, and sea vehicles having a seat part fixed on two vertical retaining belts, each extending in the region of the rear seat part edge and attached to the vehicle, characterized in that each retaining belt (15) is designed as a belt sling (22) having a front belt (23) facing the seat part (17), the sling being stretched between anchors (16) fixed to the vehicle at a vertical distance from each other, and a rear belt (24) extending at a distance thereto, and that the seat part (17) is fixed in the intermediate space between the front belt (23) and rear belt (24) in a stationary closed fixed loop (27) attached to the rear belt (24) on one side, and is supported on the other side in a loose loop (28) attached to the rear belt (24).

Description

Sicherheitssitz mit einer vertikal einwirkende Stöße dämpfenden Aufhängung Safety seat with a vertically acting shock absorbing suspension
B e s c h r e i b u n gDescription
Die Erfindung betrifft einen Sicherheitssitz für Land-, Luft- und Seefahrzeuge mit einem Sitzteil, welches an zwei jeweils im Bereich der hinteren Sitzteilkante verlaufenden, vertikalen und fahrzeugseitig befestigten Haltegurten festgelegt ist.The invention relates to a safety seat for land, air and sea vehicles with a seat part, which is fixed to two in the region of the rear seat edge edge extending, vertical and vehicle-mounted tethers.
Ein Sicherheitssitz mit den vorgenannten Merkmalen ist aus der DE 10 2004 062 350 B3 bekannt. Hierbei ist der als druckfestes Bauteil ausgeführte Sitzteil jeweils an vertikal zwischen dem Fahrzeugdach und dem Fahrzeugboden aufgespannten Haltegurten befestigt, indem der Sitzteil mittels zusätzlich angeordneter, mit den vertikalen Haltegurten verbundener und mit diesen ein Gurtgerüst zur Halterung des Sitzteils bildender seitlicher Traggurte an den vertikalen Haltegurten festgelegt ist. Dabei bestehen die seitlichen Traggurte aus einem von einer unteren ortsfesten Befestigungsstelle längs der Seitenränder des Sitzteils bis zu dessen vorderen Eckpunkten verlaufenden Gurtabschnitten, wobei von den vorderen Eckpunkten des Sitzteils jeweils ein weiterer schräg zur Hochachse des Fahrzeugsitzes verlaufender Gurtabschnitt zu einer oberhalb liegenden ortsfesten Befestigungsstelle an dem zugeordneten vertikalen Haltegurt zurückgeführt ist. Somit ist der als druckfestes Bauteil ausgebildete Sitzteil so in das aus vertikalen Haltegurten und Traggurten gebildete Gurtgerüst eingesetzt, dass der Sitzteil das Gurtgerüst selbsttätig aufspannt. Dabei ist nach einem Ausführungsbeispiel zusätzlich vorgesehen, dass der Sitzteil in dem Gurtgerüst hochklappbar ist, wobei das Hochklappen durch ein Anheben des rückwärtigen Endes des Sitzteils mittels eines gesonderten Betätigungsseils erfolgt.A safety seat with the aforementioned features is known from DE 10 2004 062 350 B3. In this case, the seat part designed as a pressure-resistant component is fastened to retaining straps spanned vertically between the vehicle roof and the vehicle floor by fixing the seat part to the vertical retaining straps by means of additionally arranged lateral straps connected to the vertical straps and with these a belt frame for supporting the seat part is. In this case, the lateral straps consist of one of a lower fixed attachment point along the side edges of the seat portion extending to the front corner points Gurtabschnitten, wherein each of the front corner points of the seat portion extending obliquely to the vertical axis of the vehicle seat belt portion to an upper stationary attachment point on the associated vertical tether is returned. Thus, the trained as a pressure-resistant component seat part is so in the off used vertical straps and straps formed Gurtgerüst that the seat part spans the belt frame automatically. It is additionally provided according to an embodiment in that the seat part in the belt frame is folded up, wherein the folding up takes place by lifting the rear end of the seat part by means of a separate operating cable.
Mit dem bekannten Sicherheitssitz ist der Nachteil verbunden, dass die seitlichen Traggurte einen auf dem Sicherheitssitz sitzenden Insassen seitlich einfassen, so dass der Insasse sich beim Aufstehen nur nach vorne erheben und sich auch nur aus einer vor dem Sitz stehenden Position heraus auf den Sitz setzen kann. Es kommen jedoch häufig Anwendungsfälle vor, bei denen eine Mehrzahl von Sitzen nebeneinander in einer in der Fahrtrichtung des Fahrzeuges ausgerichteten Reihe angeordnet sind, wobei die Insassen insbesondere beim Aussteigen seitlich über die nebeneinander angeordneten Sitze rutschen und das Fahrzeug vom letzten Sitz der Reihe aus verlassen.The disadvantage associated with the known safety seat is that the lateral straps laterally enclose a passenger seated on the safety seat, so that the occupant only rises forward when standing up and can only sit on the seat from a position in front of the seat , However, there are often applications in which a plurality of seats are arranged side by side in a direction aligned in the direction of travel of the vehicle row, the occupants especially when disembarking laterally slide over the juxtaposed seats and leave the vehicle from the last seat of the series.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Sicherheitssitz mit den eingangs genannten Merkmalen so zu verbessern, dass bei einer nach wie vor gegebenen Halterung des Sitzteils an einem Gurtgerüst seitlich des Sitzteils keine eine Bewegung des Insassen hindernden Einbauten vorhanden sind.The invention is therefore based on the object to improve a safety seat with the features mentioned so that in a given still holding the seat part to a belt frame laterally of the seat part no movement of the occupant obstructing fittings are present.
Die Lösung dieser Aufgabe ergibt sich einschließlich vorteilhafter Ausgestaltungen und Weiterbildungen der Erfindung aus dem Inhalt der Patentansprüche, welche dieser Beschreibung nachgestellt sind.The solution to this problem arises, including advantageous refinements and developments of the invention from the content of the claims, which are adjusted to this description.
Die Erfindung sieht in ihrem Grundgedanken vor, dass jeder Haltegurt als eine zwischen in einem vertikalen Abstand zueinander angeordneten fahrzeugfesten Verankerungen aufgespannte Gurtschlinge mit einem dem Sitzteil zugewandten Vordergurt und einem im Abstand dazu verlaufenden Hintergurt ausgebildet ist und dass der Sitzteil einerseits mit einer im Bereich der hinteren Sitzteilkante verlaufenden Querverstrebung in den Zwischenraum zwischen Vordergurt und Hintergurt reicht, die jeweils in einer an dem Hintergurt angebrachten ortsfesten geschlossenen Festschlaufe festgelegt ist und der Sitzteil andererseits über mit seinen Seitenstreben drehbar verbundene und in einem schrägen Verlauf nach unterhalb des Sitzteils zu der jeweiligen Gurtschlinge verlaufende Stützen gegen die gespannte Gurtschlinge abgestützt ist, wobei die Stützen mit einer an ihren unteren Enden angebrachten Querverstrebung in den Zwischenraum zwischen Vordergurt und Hintergurt reichen, die sich jeweils in einer an dem Hintergurt angebrachten, eine Vertikalbewegung der Querverstrebung ermöglichenden Losschlaufe abstützt.The basic idea of the invention is that each tether belt is designed as a belt loop spanned between a vertically spaced vehicle-fixed anchorage and a front belt facing the seat part and a rear belt extending at a distance therefrom, and the seat part is provided with one in the region the rear seat edge edge extending cross-bracing in the space between the front and rear belt ranges, which is fixed in each case attached to the rear belt fixed fixed loop and the seat part on the other hand rotatably connected with its side struts and in an oblique course to below the seat part to the respective belt loop extending supports is supported against the tensioned belt loop, wherein the supports extend with a mounted at their lower ends cross bracing in the space between the front and rear belt, each supported in a mounted on the rear strap, a vertical movement of the cross brace enabling loose loop.
Mit der Erfindung ist der Vorteil verbunden, dass keine zwischen dem Fahrzeugdach und dem Fahrzeugboden durchgängig aufgespannten Haltegurte mehr erforderlich sind, sondern dass die mit einer geringeren Länge ausgelegten Haltegurte an insbesondere der Seitenstruktur eines Fahrzeuges befestigt sein können und sich von einer nur unwesentlich oberhalb der Sitzfläche des Sitzteils anzubringenden Halterung nach unterhalb des Sitzteils bis zu einer in der Nähe des Fahrzeugbodens angebrachten Halterung erstrecken. Soweit der Fahrzeugsitz sich über die einerseits im hinteren Bereich des Sitzteils und andererseits am Ende der das Sitzteil tragenden Stützen jeweils ausgebildeten Querverstrebungen an vier Punkten gegen die beidseitig angeordneten Haltegurte abstützt, ist eine entsprechend große Stabilität der Sitzbefestigung sichergestellt. Dabei bildet die ortsfeste Festschlaufe zur Festlegung der an dem Sitzteil ausgebildeten Querverstrebung das Drehlager für eine Klappbewegung des Sitzteils durch Anhebung von dessen Vorderkante, und diese Klappbewegung wird dadurch ermöglicht, dass einerseits die Stützen drehbar mit dem Sitzteil verbunden sind und andererseits die unteren Losschlaufen zur Abstützung der Stützen so ausgebildet sind, dass eine Vertikalbewegung der in diesen Losschlaufen gehaltenen Querverstrebung der Stützen möglich ist. Die erfindungsgemäße Art der Festlegung des Sitzteils an einem fahrzeugseitig aufgespannten Gurtgerüst gewährleistet in vorteilhafter Weise, dass in der Vertikalrichtung, also in der „Z"-Richtung eines Fahrzeuges, einwirkende, beispielsweise durch Minenansprengungen verursachte Stöße über die Haltegurte beziehungsweise die Gurtschlingen in die Stützen übertragen werden. Bei Belastung des Fahrzeugsitzes durch eine darauf sitzende Person stützen sich die Stützen wiederum in der unteren Festschlaufe an den als Gurtschlingen ausgebildeten Haltegurten ab. Es entsteht somit in diesem Bereich eine Druckkraft auf die Haltegurte beziehungsweise die Gurtschlingen. Gleichzeitig übt der Sitzteil über seine Festlegung in der an dem Hintergurt angebrachten oberen Festschlaufe eine Zugkraft aus und drückt damit auf den Vordergurt. Eine Erhöhung der auf den Sitzteil 17 einwirkenden vertikalen Kräfte wirkt sich daher in nur einer sehr geringen vertikalen Lageveränderung des Sitzteils aus, jedoch aufgrund der Schrägstellung von Vordergurten und Hintergurten der beiden den Sitzteil tragenden Gurtschlingen in einer deutlichen Auslenkung von Vordergurten und Hintergurten in horizontaler Richtung. Da die Gurtschlingen mittels einer Gurtspannvorrichtung gespannt sind, erhöht sich aufgrund der Auslenkung zusätzlich die Spannung in den Gurtschlingen, und somit ist in horizontaler Richtung eine wirksame Dämpfung der ursprünglich vertikal einwirkenden Stöße gegeben. Bei einer seitlichen Stoßbelastung des Fahrzeuges wirkt die beschriebene Stoßdämpfung bei der erfindungsgemäßen Festlegung des Sitzteils in derselben Achse, jedoch mit umgekehrten Vorzeichen.With the invention has the advantage that no between the vehicle roof and the vehicle floor continuously clamped tethers are more necessary, but that the designed with a shorter length tethers can be attached to particular the side structure of a vehicle and from only slightly above the seat the seat part to be mounted bracket extend below the seat part to a mounted in the vicinity of the vehicle floor bracket. As far as the vehicle seat is supported on the one hand in the rear region of the seat part and on the other hand at the end of the seat supporting columns each formed cross braces at four points against the tethers arranged on both sides, a correspondingly high stability of the seat attachment is ensured. In this case, the stationary fixed loop for fixing the formed on the seat part crossbar the pivot bearing for a folding movement of the seat part by raising the front edge, and this folding movement is made possible by the fact that on the one hand the supports are rotatably connected to the seat part and on the other hand, the lower loops loops for support the supports are designed so that a vertical movement of the held in these loops cross brace of the supports is possible. The type of fixing the seat part according to the invention on a belt frame spanned on the vehicle advantageously ensures that impacts in the vertical direction, that is to say in the "Z" direction of a vehicle, are transmitted via the holding straps or the belt slings into the supports, for example due to mine loads When the vehicle seat is loaded by a person sitting on it, the supports in turn are supported in the lower fixed loop on the retaining straps designed as belt loops, thus creating a compressive force on the retaining straps or belt slings in this area In the upper fixed loop attached to the rear strap, a tensile force is exerted on the front belt and an increase in the vertical forces acting on the seat part 17 therefore results in only a very small vertical change in position of the seat part from, however, due to the inclination of the front straps and the rear straps of the two seat belt slings carrying in a significant deflection of front and rear straps in the horizontal direction. Since the belt loops are tensioned by means of a belt tensioning device, due to the deflection, the tension in the belt loops is additionally increased, and thus an effective damping of the originally vertically acting impacts is provided in the horizontal direction. In a lateral impact load of the vehicle, the shock absorption described in the inventive determination of the seat part in the same axis, but with the opposite sign.
Insgesamt ergeben sich mit dem erfindungsgemäßen Sicherheitssitz die weiteren Vorteile, dass nur wenige, einfache und daher preisgünstige Komponenten erforderlich sind, wobei auf bekannte Komponenten und Werkstoffe zurückgegriffen werden kann. Der Sicherheitssitz weist ein nur geringes Bauvolumen bei gleichzeitig geringem Gewicht auf und ist in der hochgeklappten Stellung des Sitzteils sehr flach ausgebildet. Gleichzeitig zeichnet sich der Sicherheitssitz aber durch eine hohe Steifigkeit und eine gute Belastbarkeit in allen Lastrichtungen aus, und der Sicherheitssitz ist in bestehenden Fahrzeugen einfach nachrüstbar.Overall, with the safety seat according to the invention, the further advantages that only a few, simple and therefore inexpensive components are required, with known components and materials can be used. The safety seat has a low volume and at the same time low weight and is very flat in the raised position of the seat part. At the same time, the safety seat is characterized by a high degree of rigidity and a good load capacity in all load directions, and the safety seat can be easily retrofitted in existing vehicles.
Nach einem Ausführungsbeispiel der Erfindung weist der Sitzteil einen Rahmen mit einer vorderen Querstrebe, der hinteren Querverstrebung und diese verbindende Seitenstreben auf. Nach alternativen Ausführungsbeispielen der Erfindung kann vorgesehen sein, dass die hintere Querverstrebung als durchgehende Querstrebe oder aber alternativ als an den Enden der Seitenstreben angesetzte kurze und bis in die ortsfesten Festschlaufen reichende Strebenstummel ausgebildet ist.According to one embodiment of the invention, the seat part on a frame with a front cross member, the rear cross member and these connecting side struts. According to alternative embodiments of the invention can be provided that the rear cross brace is formed as a continuous cross member or alternatively as set at the ends of the side struts short and reaching into the fixed fixed loops strut stub.
In gleicher Weise kann bezüglich der an den Stützen angebrachten Querverstrebung vorgesehen sein, dass diese stützenseitige Querverstrebung als durchgehende und die beiden Stützen miteinander verbindende Querstrebe ausgebildet ist oder als an den Enden der Stützen angesetzte kurze und bis in die Losschlaufen reichende Strebenstummel ausgebildet ist.In the same way can be provided with respect to the supports attached to the cross brace that this support-side cross brace is formed as a continuous and the two supports interconnecting cross strut or as scheduled at the ends of the supports short and reaching into the loops strut stub.
Im Hinblick auf eine stabile, aber gleichzeitig leichte Bauweise ist nach einem Ausführungsbeispiel der Erfindung vorgesehen, dass der Rahmen des Sitzteils und die Stützen einschließlich ihrer Querverstrebung aus einem Leichtmetallrohr mit einer geeigneten Profilierung bestehen.With regard to a stable, yet lightweight construction is provided according to an embodiment of the invention that the frame of the seat part and the supports, including their cross brace made of a light metal tube with a suitable profiling.
Es kann vorgesehen sein, dass zur Aufbringung einer Vorspannung in den Verlauf jeder Gurtschlinge eine Spannvorrichtung eingeschaltet ist.It can be provided that for applying a bias in the course of each belt loop, a clamping device is turned on.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung wiedergegeben, welches nachstehend beschrieben ist. Es zeigen:In the drawing, an embodiment of the invention is reproduced, which is described below. Show it:
Fig. 1 eine Teilinnenansicht eines Fahrzeuges mit einem Sitzteil, welches an an der Seitenstruktur des Fahrzeuge aufgespannten Haltegurten festgelegt ist, Fig. 2 den Sicherheitssitz gemäß Figur 1 in seiner Gebrauchsstellung in einer schematischen Seitenansicht,1 is a partial interior view of a vehicle with a seat part which is fixed to tethered on the side structure of the vehicle tethers, 2 shows the safety seat according to FIG. 1 in its position of use in a schematic side view, FIG.
Fig. 3 den Sicherheitssitz gemäß Figur 2 bei Belastung durch eine darauf sitzende Person.Fig. 3 shows the safety seat according to Figure 2 when loaded by a person sitting thereon.
Wie sich aus Figur 1 ergibt, weist ein nur schematisch in einem Teilausschnitt dargestelltes Fahrzeug einen Fahrzeugboden 10 sowie eine Seitenwand 1 1 auf, an der ein Radkasten 12 mit einer Oberfläche 13 und einer Seitenstruktur 14 ausgebildet ist. An der Seitenstruktur 14 sind zwei parallel verlaufende vertikale Haltegurte 15 an entsprechend fahrzeugseitig befestigten Verankerungen 16 aufgespannt, an denen ein Sitzteil 17 in einer noch zu beschreibenden Weise festgelegt ist. Der Sitzteil 17 besteht aus einem die Sitzfläche umschließenden Rahmen mit einer vorderen Querstrebe 18, zwei Seitenstreben 19 und einer hinteren Querstrebe 20. Ferner gehen von der Unterseite der Seitenstreben 19 Stützen 21 aus, die sich in einem schrägen Verlauf nach unten zu den Haltegurten 15 hin erstrecken und sich an den Haltegurten 15 abstützen.As can be seen from FIG. 1, a vehicle shown only schematically in a partial section has a vehicle floor 10 and a side wall 1 1 on which a wheel arch 12 with a surface 13 and a side structure 14 is formed. On the side structure 14 two parallel vertical tethers 15 are clamped to corresponding vehicle-mounted anchors 16 on which a seat portion 17 is fixed in a manner to be described. The seat part 17 consists of a frame surrounding the seat frame with a front cross member 18, two side struts 19 and a rear cross member 20. Further go from the bottom of the side struts 19 posts 21, which in an oblique course down to the tethers 15 out extend and are supported on the retaining straps 15.
Wie weiterhin Figur 2 zu entnehmen ist, sind die Haltegurte 15 als durch die fahrzeugseitigen Verankerungen 16 hindurch geführte Gurtschlingen 22 ausgebildet, mit einem den Sitzteil 17 zugewandten Vordergurt 23 und einem Hintergurt 24. Um die Gurtschlingen 22 mit der erforderlichen Spannung zu versehen, ist in jede Gurtschlinge 22 jeweils eine Spannvorrichtung 25 eingeschaltet.2, the tethers 15 are formed as belt loops 22 guided through the vehicle-side anchors 16, with a front belt 23 facing the seat part 17 and a rear belt 24. In order to provide the belt loops 22 with the required tension, FIG each belt loop 22 each a tensioning device 25 is turned on.
Der Sitzteil 17 verläuft mit seiner hinteren Querstrebe 20 in dem zwischen dem Vordergurt 23 und dem Hintergurt 24 der Gurtschlinge 22 gegebenen Abstand und ist hier durch eine ortsfest an dem Hintergurt 24 angebrachte geschlossene Festschlaufe 27 gehalten. Die Stützen 21 sind an den Seitenstreben 19 des Sitzteils 17 mittels entsprechend vorgesehener Drehgelenke 26 drehbar gelagert und sind an ihrem unteren freien Ende über eine durchgehende Querstrebe 29 miteinander verbunden. In gleicher Weise wie die hintere Querstrebe 20 des Sitzteils 17 ist auch die untere Querstrebe 29 der Stützen 21 in dem Zwischenraum zwischen Vordergurt 23 und Hintergurt 24 angeordnet und hier in einer unteren Losschlaufe 28 abgestützt, die ebenfalls an dem Hintergurt 24 befestigt und so ausgebildet ist, dass eine Vertikalbewegung der Querstrebe 29 in der Losschlaufe 28 möglich ist.The seat part 17 extends with its rear cross member 20 in the given between the front and rear strap 23 belt 24 of the belt loop 22 and is held here by a fixedly attached to the rear strap 24 closed fixed loop 27. The supports 21 are rotatably mounted on the side struts 19 of the seat part 17 by means of correspondingly provided pivot joints 26 and are at their lower free end over a continuous cross member 29 connected together. In the same way as the rear cross member 20 of the seat part 17 and the lower cross member 29 of the supports 21 is disposed in the space between the front belt 23 and rear strap 24 and supported here in a lower slip loop 28, which is also secured to the rear strap 24 and formed in that a vertical movement of the transverse strut 29 in the loose loop 28 is possible.
Bei Belastung des Sitzteils 17 durch einen darauf sitzenden Insassen 30 stützen sich einerseits die Stützen 21 in den unteren Losschlaufen 28 gegen die Hintergurte 24 der Gurtschlingen 22 ab; gleichzeitig übt der Sitzteil 17 aufgrund der drehbaren Verbindung mit den Stützen 21 eine Zugverbindung bezüglich des Hintergurtes 24 aus, so dass durch diese Art der Abstützung die zunächst in einem geradlinigen Verlauf vorgespannte Gurtschlinge 22 (Figur 2) in einen abgeknickten Verlauf sowohl ihres Vordergurtes 23 als auch ihres Hintergurtes 24 gebracht wird (Figur 3). Werden bei dieser Konfiguration der Haltegurte 15 vertikal einwirkende Stöße eingeleitet, so ergibt sich eine vermehrte Einknickung der Gurtschlingen und damit eine Erhöhung der horizontal wirkenden Kraftanteile.When the seat part 17 is loaded by a seated occupant 30, on the one hand the supports 21 are supported in the lower loose loops 28 against the rear straps 24 of the belt loops 22; at the same time exercises the seat part 17 due to the rotatable connection with the supports 21 a train connection with respect to the rear belt 24, so that by this type of support the initially biased in a straight course Gurtschlinge 22 (Figure 2) in a bent course of both their front belt 23 also its rear belt 24 is brought (Figure 3). If 15 vertically acting shocks initiated in this configuration of the tethers, so there is an increased buckling of the belt loops and thus an increase in the horizontally acting force components.
Wie nicht weiter dargestellt, kann der Sitzteil durch Hochklappen in eine platzsparende Stellung gebracht werden, wobei der Sitzteil 17 sich um die als Drehlager wirkende obere Festschlaufe 27 dreht, während die Stützen 21 der Vertikalbewegung ihrer an dem Sitzteil 17 angebrachten Drehgelenke 26 durch Verschiebung in der unteren Losschlaufe 29 folgen können.As not further shown, the seat part can be brought by folding into a space-saving position, wherein the seat part 17 rotates about acting as a pivot bearing upper fixed loop 27, while the supports 21 of the vertical movement of their attached to the seat part 17 pivots 26 by displacement in the lower loop 29 can follow.
Die in der vorstehenden Beschreibung, den Patentansprüchen, der Zusammenfassung und der Zeichnung offenbarten Merkmale des Gegenstandes dieser Unterlagen können einzeln als auch in beliebigen Kombinationen untereinander für die Verwirklichung der Erfindung in ihren verschiedenen Ausführungsformen wesentlich sein. The features disclosed in the foregoing description, the claims, the abstract and the drawings of the subject matter of these documents may be essential individually or in any combination with each other for the realization of the invention in its various embodiments.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Sicherheitssitz für Land-, Luft- und Seefahrzeuge mit einem Sitzteil, welches an zwei jeweils im Bereich der hinteren Sitzteilkante verlaufenden, vertikalen und fahrzeugseitig befestigten Haltegurten festgelegt ist, dadurch gekennzeichnet, dass jeder Haltegurt ( 15) als eine zwischen in einem vertikalen Abstand zueinander angeordneten fahrzeugfesten Verankerungen (16) aufgespannte Gurtschlinge (22) mit einem dem Sitzteil ( 17) zugewandten Vordergurt (23) und einem im Abstand dazu verlaufenden Hintergurt (24) ausgebildet ist und dass der Sitzteil (17) einerseits mit einer im Bereich der hinteren Sitzteilkante verlaufenden Querverstrebung (20) in den Zwischenraum zwischen Vordergurt (23) und Hintergurt (24) reicht, die jeweils in einer an dem Hintergurt (24) angebrachten ortsfesten geschlossenen Festschlaufe (27) festgelegt ist und der Sitzteil ( 17) andererseits über mit seinen Seitenstreben (19) drehbar verbundene und in einem schrägen Verlauf nach unterhalb des Sitzteils ( 17) zu der jeweiligen Gurtschlinge (22) verlaufende Stützen (21 ) gegen die gespannte Gurtschlinge (22) abgestützt ist, wobei die Stützen (21 ) mit einer an ihren unteren Enden angebrachten Querverstrebung (29) in den Zwischenraum zwischen Vordergurt (23) und Hintergurt (24) reichen, die sich jeweils in einer an dem Hintergurt (24) angebrachten, eine Vertikalbewegung der Querverstrebung (29) ermöglichenden Losschlaufe (28) abstützt.1. Safety seat for land, air and sea vehicles with a seat part, which is fixed to two in each case in the rear seat edge edge, vertical and vehicle-mounted tethers, characterized in that each tether (15) as a between in a vertical distance to each other arranged vehicle-fixed anchors (16) spanned belt loop (22) with a seat part (17) facing the front belt (23) and a spaced extending rear strap (24) is formed and that the seat part (17) on the one hand with a in the rear Part seat edge extending transverse strut (20) in the space between front strap (23) and rear strap (24) ranges, which is fixed in each of the rear strap (24) attached fixed fixed loop (27) and the seat part (17) on the other hand with his Side struts (19) rotatably connected and in an oblique course to below the seat part (17) z u of the respective belt loop (22) extending supports (21) against the tensioned belt loop (22) supported, wherein the supports (21) with a mounted at their lower ends cross-brace (29) in the space between front strap (23) and rear strap (24) ranging, each mounted in a on the rear strap (24), a vertical movement the cross strut (29) enabling loose loop (28) is supported.
2. Sicherheitssitz nach Anspruch 1 , dadurch gekennzeichnet, dass der Sitzteil (17) einen Rahmen mit einer vorderen Querstrebe (18), der hinteren Querverstrebung (20) und diese verbindenden Seitenstreben ( 19) aufweist.2. Safety seat according to claim 1, characterized in that the seat part (17) has a frame with a front cross strut (18), the rear cross strut (20) and these connecting side struts (19).
3. Sicherheitssitz nach Anspruch 2, dadurch gekennzeichnet, dass die hintere Querverstrebung (20) als durchgehende Querstrebe ausgebildet ist.3. Safety seat according to claim 2, characterized in that the rear cross-brace (20) is designed as a continuous transverse strut.
4. Sicherheitssitz nach Anspruch 2, dadurch gekennzeichnet, dass die hintere Querverstrebung (20) als an den Enden der Seitenstreben ( 19) angesetzte kurze und bis in die ortsfesten Festschlaufen (27) reichende Strebenstummel ausgebildet ist.4. Safety seat according to claim 2, characterized in that the rear cross strut (20) as at the ends of the side struts (19) scheduled short and up to the fixed fixed loops (27) reaching strut stump is formed.
5. Sicherheitssitz nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die an den Stützen (21 ) angebrachte Querverstrebung (29) als durchgehende und die beiden Stützen (21 ) miteinander verbindende Querstrebe ausgebildet ist.5. Safety seat according to one of claims 1 to 4, characterized in that on the supports (21) mounted cross-brace (29) as a continuous and the two supports (21) interconnecting transverse strut is formed.
6. Sicherheitssitz nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die an den Stützen (21 ) angebrachte Querverstrebung (29) als an den Enden der Stützen (21 ) angesetzte kurze und bis in die Losschlaufen (28) reichende Strebenstummel ausgebildet ist.6. Safety seat according to one of claims 1 to 4, characterized in that on the supports (21) mounted cross bracing (29) as at the ends of the supports (21) scheduled short and up to the loose loops (28) reaching strut stump is formed ,
7. Sicherheitssitz nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Rahmen des Sitzteils ( 17) und die Stützen (21 ) einschließlich ihrer Querverstrebung (29) aus einem Leichtmetallrohr mit einer geeigneten Profilierung bestehen.7. Safety seat according to one of claims 1 to 6, characterized in that the frame of the seat part (17) and the supports (21) including their cross brace (29) consist of a light metal tube with a suitable profiling.
8. Sicherheitssitz nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass zur Aufbringung einer Vorspannung in den Verlauf jeder Gurtschlinge (22) eine Spannvorrichtung (25) eingeschaltet ist. 8. Safety seat according to one of claims 1 to 7, characterized in that for applying a bias in the course of each belt loop (22) a tensioning device (25) is turned on.
EP08748950A 2007-04-23 2008-04-17 Safety seat having a vertically acting, impact-damping suspension Withdrawn EP2137025A1 (en)

Applications Claiming Priority (2)

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DE102007019348A DE102007019348B3 (en) 2007-04-23 2007-04-23 Safety seat for land, air and sea vehicles, has support rod with cross bracing placed on its lower end in space between front belt and rear belt supported in loose loop, allowing vertical motion of cross bracing, placed on rear belt
PCT/EP2008/003065 WO2008128699A1 (en) 2007-04-23 2008-04-17 Safety seat having a vertically acting, impact-damping suspension

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EP2137025A1 true EP2137025A1 (en) 2009-12-30

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EP08748950A Withdrawn EP2137025A1 (en) 2007-04-23 2008-04-17 Safety seat having a vertically acting, impact-damping suspension

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EP (1) EP2137025A1 (en)
KR (1) KR20100015709A (en)
CA (1) CA2683505A1 (en)
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WO (1) WO2008128699A1 (en)

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CA2683505A1 (en) 2008-10-30
US8109563B2 (en) 2012-02-07
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KR20100015709A (en) 2010-02-12
US20100109393A1 (en) 2010-05-06

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